The pérez family has 3 children and each son has 3 sisters. how many sons and daughters have at least the pérez?

No sons, three daughters.

Explanation:

They have three children. If they had at least a son (n ≥ 1), there would be three daughters as his sisters (3n). The number of children is represented as 3n + n. If there are no sons, then the three children would all be daughters, but if there was a son, there would be a total of four children consisting of a son and three daughters, which exceeds three (3*1 + 1 = 4, 4 > 3).

3 daughters 0 sons

Explanation:

because each son has 3 sisters, it says they only have three children and there are three sisters that make it 0 boys

true

Explanation:

Financing is the process of moving providing funds to run the business activities, making purchasing or investing.

Example: the company can raise fund by issuing bond or share. this is one of the financing activities

the company also can find venture capital and angel investor to get fund to run the business. it also consider as financing activities